摘要:
1. 确定系统边界;2. 分析用户——组织架构;3. 分析数据元——实体,对象等;4. 确定主要业务流程; 阅读全文
摘要:
Quoted from http://www.tizag.com/cssT/external.php What's external CSSWhen using CSS it is preferable to keep the CSS separate from your HTML. Placing CSS in a separate file allows the web designer to... 阅读全文